Ments



(No Model.)

B. F. CAMP.

WOOD SAWING MACHINE.

No. 396,026. Patented Jan. 8, 1889.

\ INVENTOR NITED STATES PATENT FFicE,

BENJAMIN F. CAMP, OF CLINTON, KENTUCKY, ASSIGNOR, BY MESNE ASSIGN- MENTS, OF ONE-HALF TO JOHN E. BOVERS, OF SAME PLACE.

WOOD-SAWING MACHIN E.

SPECIFICATION forming part of Letters Patent No. 396,026, dated January8, 1889.,

Application filed February 20, 1888- Serial No. 265,080. (No model.)

To aZZ whom it may concern:

Be it known, that I, BENJAMIN F. CAMP, a citizen of the United States,residing at Clinton, in the county of Hickman, State of Kentucky, haveinvented a new and useful Vood- Sawing Machine, of which the followingis a specification.

My invention relates to that class of woodsawing machines in which thesaw-blade is secured to and actuated by a cross-head mounted to slide inhorizontal ways formed in a gravitating counterbalanced sash or frame,which is in turn mounted to slide in vertical ways secured to the mainframe of the machine, the cross-head being connected by pitman with thecrank of a driving-shaft.

The object of my invention is to improve, simplify, and cheapen theconstruction and operation of machines of this character; and

to this end my invention consists in details of construction andcombinations, to be fully described in the following specification andclaimed in the closing clause.

The accompanying drawing is a perspective view of a machine embodying myimprove ments.

A stout frame is provided, comprising the standards a (4, legs a, andhorizontal sills C. The standards are arrangedat the front of themachine, extending upward beyond the sills C, and are provided on theirinner faces with parallel grooves forming guides or ways for thereception of tenonsp', projecting from the side sills of the gravitatingsash-frame p.

The lower horizontal side beams, p of this sash-frame p are grooved ontheir inner faces to form ways f for the reception of tenons projectinglaterally from cross-head g, which latter is connected by a pitman,e,with a wrist- 0 pin a'djustably seated in a radial slot, (1', of afly-wheel, d, the shaft of which is mounted in bearings at the rear endof the machine-frame and carries a pinion, n, meshing with a cogwheel,0, secured to the power-shaft m, which is also mounted in hearings atthe rear end of the frame.

To the front end of the cross-head 9 one end of the saw-blade is securedby a setscrew, T, or other well known means, guides Z, of spring metal,being secured to'the front of the gravit-ating sash-frame adjacent tothe cross-head, to bear lightly with their forward or free ends upon thesides of the saw, and

prevent the latter from buckling or binding in the kerf duringoperation. To the top of the sash-frame is secured a rope or cord, h,its free end being passed over pulleys i l" at the top of the standardsa, and

provided with weight h of such size as to nearly counterbalance thesash-frame and its 66 adjuncts, thus enabling me to rigidly secure thesaw to the cross-head without subjecting it to undue weight duringoperation. To the front of the frame are hinged the usual loghooks ordogs, Ir, to hold the log undergoing operation.

In operation a log is secured in front of the frame by means of thehooks k, the sashframe and its adjuncts being first suflicientlyelevated by a pull upon the weight-cord h, 70 the sash-frame being thenlowered until the saw rests upon the log. The machine is then started,and as the saw cuts through the log the gravitating sash will slidedownward, carrying the cross-head, &c., with it, thus maintaining thehorizontal position of the saw and always giving sufficient weight tothe saw to insure a cut, the guides meanwhile always retaining theirposition with relation to the saw, as they are secured to and travelwith the sash-frame.

I claim- The combination, substantially as described, of the frameprovided at front with vertical standards having ways, the gravitatingcounterbalanced sash-frame mounted in said ways and provided withhorizontal grooved side sills, the cross-head mounted to slide in saidgrooves and connected by pitman with the driving-crank, the saw securedat one end to the front of the cross-head, and guides secured to thesash-frame adjacent to the cross-head and bearing with their free-endsupon opposite sides of the saw-blade.

BENJ. F. CAMP.

\Vitnesses:

J AMES A. PORTER, S. R. TAYLOR.

